Preparation of poly(arylene sulfide) from halothiophenol and alkaline metal hydroxide
US4544735A · kind A · utility
4Cited by
2References
5Claims
0Family size
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Key dates
| Filing date | Jun 7, 1984 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | Jun 7, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing poly(arylene sulfide) of high molecular weight by subjecting to polymerization conditions a reaction mixture of alkaline metal hydroxide, halothiophenol and organic amide with a molar ratio of alkaline metal hydroxide to halothiophenol in a range of about 1.6 to about 3.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.